<% if tracker = Spree::Tracker.current %>
  <script>
    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
    })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

    <% if user_analytics_id = try_spree_current_user.try(:analytics_id) %>
      ga('create', { 'trackingId': '<%= tracker.analytics_id %>', 'cookieDomain': 'auto', 'userId': '<%= user_analytics_id %>' });
    <% else %>
      ga('create', '<%= tracker.analytics_id %>', 'auto');
    <% end %>

    ga('require', 'displayfeatures');
    <%= yield :google_analytics %>
    ga('send', 'pageview');
  </script>
<% end %>
